From: Mike Taylor <mike@indexdata.com>
Date: Thu, 18 May 2006 11:45:16 +0000 (+0000)
Subject: New
X-Git-Tag: CPAN-v1.02~54^2~1202
X-Git-Url: http://jsfdemo.indexdata.com/?a=commitdiff_plain;h=2db33cae59b4a4283857a55fd2aec9824ecfb2f1;p=irspy-moved-to-github.git

New
---

diff --git a/irspy.pl b/irspy.pl
new file mode 100755
index 0000000..e9fd6be
--- /dev/null
+++ b/irspy.pl
@@ -0,0 +1,132 @@
+#!/usr/bin/perl -w
+
+# $Id: irspy.pl,v 1.1 2006-05-18 11:45:16 mike Exp $
+#
+# Run like this:
+#	YAZ_LOG=irspy perl -I lib irspy.pl -t "bagel.indexdata.dk/gils z3950.loc.gov:7090/Voyager" localhost:1313/IR-Explain---1
+
+use strict;
+use warnings;
+use Getopt::Std;
+use ZOOM::Pod;
+
+my %opts;
+if (!getopts('t:au', \%opts) || @ARGV != 1) {
+    print STDERR qq[Usage: $0 [options] <IRSpy-database>
+	-t <t1 t2 ...>	Space-separated list of targets to check
+	-a		Check all targets registered in database
+	-u		Update information in database
+];
+    exit 1;
+}
+
+my $targetList = $opts{t};
+my $allTargets = $opts{a};
+if (!$targetList && !$allTargets) {
+    print STDERR "$0: neither -t nor -a specified\n";
+    exit 2;
+}
+
+
+ZOOM::Log::mask_str("irspy");
+sub zlog { ZOOM::Log::log(@_) }
+
+my $dbname = $ARGV[0];
+my $conn = new ZOOM::Connection($dbname)
+    or die "$0: can't connection to IRSpy database 'dbname'";
+zlog("irspy", "starting up with database '$dbname'");
+
+my $query;
+if ($allTargets) {
+    # According to the BIB-1 semantics document at
+    #	http://www.loc.gov/z3950/agency/bib1.html
+    # the query
+    #	@attr 2=103 @attr 1=1035 x
+    # should find all records.  But it seems that Zebra doesn't
+    # support this.  Furthermore, when using the "alvis" filter (as we
+    # do for IRSpy) it doesn't support the use of any BIB-1 access
+    # point -- not even 1035 "everywhere" -- so instead we hack
+    # together a search that we know will find all records:
+    $query = "port=?*";
+} else {
+    my @qlist;
+    foreach my $target (split /\s+/, $targetList) {
+	my($host, $port, $db) = ($target =~ /(.*?):(.*?)\/(.*)/);
+	if (!defined $host) {
+	    $port = 210;
+	    ($host, $db) = ($target =~ /(.*?)\/(.*)/);
+	}
+	die "invalid target string '$target'"
+	    if !defined $host;
+	push @qlist, (qq[(host = "$host" and port = "$port" and path="$db")]);
+    }
+    $query = join(" or ", @qlist);
+}
+
+my $rs = $conn->search(new ZOOM::Query::CQL($query));
+print "query is: $query\n";
+print "found ", $rs->size(), " records\n";
+exit;
+
+my $pod = new ZOOM::Pod(@ARGV);
+$pod->option(elementSetName => "b");
+$pod->callback(ZOOM::Event::RECV_SEARCH, \&completed_search);
+$pod->callback(ZOOM::Event::RECV_RECORD, \&got_record);
+#$pod->callback(exception => \&exception_thrown);
+$pod->search_pqf("the");
+my $err = $pod->wait();
+die "$pod->wait() failed with error $err" if $err;
+
+sub completed_search {
+    my($conn, $state, $rs, $event) = @_;
+    print $conn->option("host"), ": found ", $rs->size(), " records\n";
+    $state->{next_to_fetch} = 0;
+    $state->{next_to_show} = 0;
+    request_records($conn, $rs, $state, 2);
+    return 0;
+}
+
+sub got_record {
+    my($conn, $state, $rs, $event) = @_;
+
+    {
+	# Sanity-checking assertions.  These should be impossible
+	my $ns = $state->{next_to_show};
+	my $nf = $state->{next_to_fetch};
+	if ($ns > $nf) {
+	    die "next_to_show > next_to_fetch ($ns > $nf)";
+	} elsif ($ns == $nf) {
+	    die "next_to_show == next_to_fetch ($ns)";
+	}
+    }
+
+    my $i = $state->{next_to_show}++;
+    my $rec = $rs->record($i);
+    print $conn->option("host"), ": record $i is ", render_record($rec), "\n";
+    request_records($conn, $rs, $state, 3)
+	if $i == $state->{next_to_fetch}-1;
+
+    return 0;
+}
+
+sub exception_thrown {
+    my($conn, $state, $rs, $exception) = @_;
+    print "Uh-oh!  $exception\n";
+    return 0;
+}
+
+sub request_records {
+    my($conn, $rs, $state, $count) = @_;
+
+    my $i = $state->{next_to_fetch};
+    ZOOM::Log::log("irspy", "requesting $count records from $i");
+    $rs->records($i, $count, 0);
+    $state->{next_to_fetch} += $count;
+}
+
+sub render_record {
+    my($rec) = @_;
+
+    return "undefined" if !defined $rec;
+    return "'" . $rec->render() . "'";
+}